<template>
  <div class="icons">
    <swiper>
      <!-- slides -->
      <swiper-slide v-for="(page, index) in pages" :key="index" :options="swiperOption">
        <div class="icon" v-for="(item, index) in page" :key="index">
          <div class="icon-img">
            <img class="icon-img-content"
                 :src="item.imgUrl"
                 >
          </div>
          <p class="icon-desc">{{item.desc}}</p>
        </div>
      </swiper-slide>
      <!-- Optional controls -->
      <div class="swiper-pagination"
           slot="pagination"></div>
    </swiper>
  </div>
</template>

<script>

export default {
  name: 'HomeIcon',
  props: {
    list: Array
  },
  data () {
    return {
      swiperOption: {
        autoPlayer: false
      }
    };
  },
  computed: {
    pages () {
      const pages = [];
      this.list.forEach((item, index) => {
        const page = Math.floor(index / 8);
        if (!pages[page]) {
          pages[page] = [];
        }
        pages[page].push(item);
      });
      return pages;
    }
  }
};
</script>

<style lang="stylus" scoped>
@import '~@/assets/styles/varibles.styl';
@import '~@/assets/styles/mixins.styl';
.icons >>> .swiper-slide
  height 0
  padding-bottom 50%
  .icon
    position relative
    overflow hidden
    float left
    width 25%
    height 0
    padding-bottom 25%
    .icon-img
      position absolute
      top 0
      left 0
      right 0
      bottom 0.44rem
      border-box-sizing border-box
      padding 0.1rem
      .icon-img-content
        display block
        margin 0 auto
        height 100%
    .icon-desc
      position absolute
      left 0
      right 0
      bottom 0
      line-height 0.44rem
      text-align center
      color $darkTextColor
      ellipsis()
</style>
